Nouveau - May 2014 - [Bug 78863] New: [nv50] errors when starts gnome-shell

https://bugs.freedesktop.org/show_bug.cgi?id=78863

          Priority: medium
            Bug ID: 78863
          Assignee: nouveau at lists.freedesktop.org
           Summary: [nv50] errors when starts gnome-shell
        QA Contact: xorg-team at lists.x.org
          Severity: minor
    Classification: Unclassified
                OS: All
          Reporter: mattia.b89 at gmail.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: Driver/nouveau
           Product: xorg

Created attachment 99275
  --> https://bugs.freedesktop.org/attachment.cgi?id=99275&action=edit
log from dmesg

I get these two non-fatal errors with gnome-shell:

[  164.903589] nouveau E[  PGRAPH][0000:01:00.0] DATA_ERROR INVALID_VALUE
[  164.903603] nouveau E[  PGRAPH][0000:01:00.0] ch 4 [0x003f92b000
gnome-shell[1242]] subc 3 class 0x8297 mthd 0x0e04 data 0xfebf0000
[  164.903616] nouveau E[  PGRAPH][0000:01:00.0] DATA_ERROR INVALID_VALUE
[  164.903622] nouveau E[  PGRAPH][0000:01:00.0] ch 4 [0x003f92b000
gnome-shell[1242]] subc 3 class 0x8297 mthd 0x0e08 data 0xffc70000

my configuration:
x86_64 archlinux kernel-3.14.2-1
xf86-video-nouveau-1.0.10-2
gnome-shell-3.12.2-1

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Ilia Mirkin <imirkin at alum.mit.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[nv50] errors when starts   |[NV92] errors when starts
                   |gnome-shell                 |gnome-shell - INVALID_VALUE
                   |                            |class 0x8297 mthd 0x0e04
                   |                            |data 0xfebf0000

--- Comment #1 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Are there any rendering issues, or just these errors?

$ lookup -a 92 -d NV01_SUBCHAN -- -v obj-class NV84_3D e04 0xfebf0000
SCISSOR_HORIZ[0] => { MIN = 0 | MAX = 65215 }
$ lookup -a 92 -d NV01_SUBCHAN -- -v obj-class NV84_3D e08 0xfebf0000
SCISSOR_VERT[0] => { MIN = 0 | MAX = 65215 }

Those indeed appear to be invalid. I thought I had a thing clamping the
value... What version of mesa are you using?

Hm, looks like the clamping is missing on the blit_3d path, but that'd only
be
an issue if someone had specified negative scissor bounds... hopefully the
upper layers disallow that.

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--- Comment #2 from mattia.b89 <mattia.b89 at gmail.com> ---
(In reply to comment #1)
> Are there any rendering issues, or just these errors?
> 
> $ lookup -a 92 -d NV01_SUBCHAN -- -v obj-class NV84_3D e04 0xfebf0000
> SCISSOR_HORIZ[0] => { MIN = 0 | MAX = 65215 }
> $ lookup -a 92 -d NV01_SUBCHAN -- -v obj-class NV84_3D e08 0xfebf0000
> SCISSOR_VERT[0] => { MIN = 0 | MAX = 65215 }
> 
> Those indeed appear to be invalid. I thought I had a thing clamping the
> value... What version of mesa are you using?
> 
> Hm, looks like the clamping is missing on the blit_3d path, but that'd
only
> be an issue if someone had specified negative scissor bounds... hopefully
> the upper layers disallow that.
probably I have that issue/artifact: sometime, portion of a window isn't
drawed
but because simply gray 

mesa-10.1.3-1

I don't have "lookup" command and I don't find how to get
it....teach it to me

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--- Comment #3 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to comment #2)
> probably I have that issue/artifact: sometime, portion of a window
isn't
> drawed but because simply gray 
> 
> mesa-10.1.3-1
Can you check if this still happens with mesa 10.2-rc3? This should have the
clamping logic I mentioned above. (Except in the 3d blit path, but I'm
hoping
that's not the issue.)
> 
> I don't have "lookup" command and I don't find how to get
it....teach it to
> me
lookup is from envytools. You shouldn't need to use it, unless you're
interested in nouveau dev. That was just to decode the errors.

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--- Comment #4 from mattia.b89 <mattia.b89 at gmail.com> ---
(In reply to comment #3)
> (In reply to comment #2)
> > probably I have that issue/artifact: sometime, portion of a window
isn't
> > drawed but because simply gray 
> > 
> > mesa-10.1.3-1
> 
> Can you check if this still happens with mesa 10.2-rc3? This should have
the
> clamping logic I mentioned above. (Except in the 3d blit path, but I'm
> hoping that's not the issue.)
> 
at the moment I can't try, but when I can I'll do it !
> > 
> > I don't have "lookup" command and I don't find how
to get it....teach it to
> > me
> 
> lookup is from envytools. You shouldn't need to use it, unless
you're
> interested in nouveau dev. That was just to decode the errors.
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--- Comment #5 from mattia.b89 <mattia.b89 at gmail.com> ---
with mesa-10.1.4-1
the issue remain

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mattia.b89 <mattia.b89 at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #6 from mattia.b89 <mattia.b89 at gmail.com> ---
is! with mesa 10.2.0rc4 I haven't the issue
I mark this bug as solved

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